Home / 11,418.75-17,123.58-4,394.85

Finding the Fourth Proportional to 11,418.75, 17,123.58 and 4,394.85

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Solution

The fourth proportional to 11,418.75, 17,123.58 and 4,394.85 is: 6,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.75 : 17,123.58 = 4,394.85 : x
  2. Step 2: Convert to fraction form
    11,418.75/17,123.58 = 4,394.85/x
  3. Step 3: Cross multiply
    11,418.75x = 17,123.58 × 4,394.85
  4. Step 4: Simplify right side
    11,418.75x = 75,255,565.56
  5. Step 5: Solve for x
    x = 75,255,565.56/11,418.75
  6. Step 6: Final answer
    x = 6,590.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.